| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 92 | 
                                    
                                    9.2%
                                 | 
| 2 | No | 378 | 
                                    
                                    37.9%
                                 | 
| 8 | Not applicable | 520 | 
                                    
                                    52.1%
                                 | 
| 9 | Unspecified | 8 | 
                                    
                                    0.8%
                                 |